Gun-bearing.



No. 811,540. I PATENTED FEB. 6, 1906. J. J. BAYNB.

GUN BEARING.

APPLICATION nun NOV. 29, 1904.

2 SHEETS-SHEET 1.

M i i? (1 l M WIWIHIM IHIIII =I==- amuenkw wammu figggg attorneyPATENTBD FEB. 6, 1906.

J. J. BAYNE. GUN BEARING. APPLICATION rILnn NOV. 29, 19

Q 2 SEEETS-SHEET 2.

3 u an m for Jiwz JT Q M a Mas-Qty Z v UNITED STATES PATENT OFFICE.

GUN-BEARING.

Specification of Letters Patent.

Patented Feb. 6, 1906.

Application filed November 29, 1904. Serial No. 234,735.

To all whom it may concern.-

Be it known that I, JOHN J. BAYNE, a citizen of the United States,residing at Alexandria, in the county of Alexandria and State ofVirginia, have invented certain new and useful Improvements inGun-Bearings and I do declare the following to be a full, clear, andexact description of the invention, such as will enable others skilledin the art to which it appertains to make and use the same, referencebeing had to the accompanying drawings, and to the letters of referencemarked thereon, which form a part of this specification.

This invention relates to new and useful improvements in gun-mounts; andthe object in view is to produce a mount in which the entire weight ofthe gun will rest upon elastic bearings, allowing the gun to swingfreely upon ball bearings without touching the mount, therebyeliminating all sliding or journal friction which exists in gun-mountswhich are commonly in use.

Another object of the invention is to produce a bearing for gun-mountsin which the trunnion is firmly held between the adjustment-screws ofthe bearing, giving a constant pitch-center for the arc and pinion toroll upon.

The invention consists, further, in the provision of mechanismcomprising a system of springs with sufficient tension only to en portthe weight of the gun and allowing tfii force of the concussionresulting from the firing of the gun to fall upon the solid bearings ofthe mount, thereby preventing inden tation of the ball-race.

My invention consists, further, in various details of construction andcombinations and arrangements of parts, which will be hereinafter fullydescribed and then specifically defined in the appended claims.

I illustrate myinvention'in the accompanying drawings, in which- Figure1 is a pers ective view showing my invention as applie to a gun-mount.Fig. 2 is a side elevation of the invention detached from the mount.Fig. 3 is a top plan view of the a paratus fastened to a gun, a portionbeing s own in section. Fig. l is an edge view of the device, and Fig. 5is a sectional view on line 5 5 of Fig. 2.

Reference now being had to the details of the drawings by letter, Adesignates a gunmount of the usual construction, and B is a gun havingtrunnions O projecting therefrom at positions diametrically oppositeeach other. D designates the cover or cap to the bearing, all of whichare of the usual construction employed in mounts for guns of thecharacter illustrated. Mounted in a threaded hole in each of saidtrunnions is a screw E, which has integral therewith an inner disk Ewith raceway for ball bearings, (shown clearly in Fig. 5 of thedrawings,) and projecting from the outer face of said disk is acontracted threaded bolt extension F, adapted to receive the threadednuts G.

H designates a circular outlined outer disk having a raceway for theball-bearings K,

and said disk H is centrally apertured to receive the shank portion ofthe bolt F. At positions diametrically opposite in the circumferenceof'the disk H are recesses H, which are formed in bosses h, projectingfrom the disk, and each recessis designed to receive the inner end of anadjusting-screw T.

Q designates a yoke-shaped bearing having two flexible arms Q, and ineach of said flexible arms is formed a threaded aperture to receive theadjusting-screws N, the inner ends of which engage said recesses andassist to support the disk and also the weight of the gun. Saidyoke-shaped hearing has apertures R therein, through which bolts S pass,which are securely anchored to the carriage or mount, and nuts S arefitted u on said screws S, whereby said yoke-shape bearing may besecurely held to the carriage or mount. The bearing =Q has acentrallythreaded aperture intermediate the apertures R for thereception of the adjustingscrew P, and a jam-nut is mounted upon saidscrew P for the purpose of holding the latter in an adjusted position.The upper end of the adjusting-screw P supports a concaved spring witharms 0, each of which is apertured near its outer end to receive a screw0 which screws are fastened to the disk H and serve to hold said springfrom turning. The under surface of the spring 0 has a recess 0 toreceive the upper convexed end of the adjusting-screw P, as shownclearly in Fig. 2 of the drawings. Said springs 0, one on each side ofthe mount, are designed to sustain thereby the entire weight of the gunand normally hold the gun from engagement with the solid bearings of themount or carriage.

From the construction shown it will be observed that the entire weightof a gun when equipped with my improved apparatus will rest entirelyupon the ball-bearings and the bearings supported upon the springs O andflexible arms Q, the gun having a pivotal movement axially through thetrunnions, which latter are normally held from engagement with the solidbearings of the mount; but under the recoil of the gun at the time offiring the same the flexible arms of the bearings Q and. springs 0 willyield, allowing the force of the recoil to come upon the solid bearingsand relieving the normal supports of the gun of excessive strain.

From the foregoing it will be observed that the entire weight of the gunresting upon the elastic bearings allows the gun to move freely upon itsbearings without touching the mount, thereby eliminating slidingfriction commonly existing in ordinary mounts, and as the ball-bearingsof the trunnions are firmly held between the adjusting-screws of thebearing a constant pitch-center is afforded for the arc and pinion ofthe elevating-gear to roll upon.

While I have shown a particular form of apparatus illustrating theprinciple of my invention, it will be understood that I may vary thedetails of construction of the apparatus, if desired, without in any waydeparting from the spirit of the invention.

Having thus fully described my invention, what I claim as new, anddesire to secure by Letters Patent, is-

1. In combination with a gun-mount, a gun with trunnions, auxiliarytrunnions secured to the gun, ball-bearings, comprising a racewaysurrounding said auxiliary trunnions, and elastic supports for saidbearings, as set forth.

2. In combination with a gun-mount, a gun with trunnions, auxiliarytrunnions secured to the gun, ball-bearings comprising a racewaysurrounding said auxiliary trunnions, a yoke secured to said mount andprovided with resilient arms for supporting said bearings, as set forth.

3. In combination with a gun-mount, a gun with trunnions, auxiliarytrunnions secured to the gun, ball-bearings comprising a racewaysurrounding said auxiliary trunnions, a yoke secured to said. mount andprovided with resilient arms for supporting said bearings, and anadjustable spring carried by said yoke and engaging said bearings, asset fort 4. In combination with a gun having trunnions, a mount,auxiliary trunnions secured to the gun-trunnions, ball-bearings securedto the auxiliary trunnions, and elastic supports for said bearings, asset forth.

5. In combination with a gun-mount, a gun with trunnions, auxiliarytrunnions secured to the gun, ball-bearings comprising racewaystherefor, adapted to support the entire weight of the gun, yokes securedto the mount, and having resilient arms, and screws 6 5 carried by saidarms and engaging one of said raceways at each side of the gun, as setforth.

6. In combination with a gun-mount, a gun with trunnions, auxiliarytrunnions secured to the gun, ball-bearings adapted to support theweight of the gun, disks forming raceways for said ball-bearings, yokessecured to the mount, and provided with flexible arms, set-screwscarried by said arms and engaging one of said raceways at each side ofthe gun, and an adjustable spring carried by each of said yokes andengaging one of said raceways, as set forth.

7. In combination with a gun mount, a gun with trunnions, auxiliarytrunnions secured to the gun, ball-bearings comprising racewayssurrounding said auxiliary trunnions, yokes secured to the mount andprovided with resilient arms, set-screws carried by said arms and eachengaging a raceway at each trunnion, a set-screw carried by each yokeintermediate its flexible arms, and a spring at each side of the gunsecured to a raceway and supported by the set-screw intermediate saidflexible arms, as set forth.

8. In combination with a gun and carriage therefor, trunnions upon saidgun, a pair of bearing-disks at each trunnion, one of each pair beingsecured to its adjacent trunnion, balls between'said bearing-disks,yokes secured to said carriage and provided with flexible arms, andset-screws carried by said arms and engaging a bearing-disk at eachtrunnion, as set forth.

9. In combination with a gun and carriage therefor, trunnions upon saidgun, a pair of bearing-disks at each trunnion, one of each pair having athreaded shank. portion engaging a threaded aperture in its adjacenttrun nion, ball-bearings intermediate said bearing-disks, yokes havingflexible arms, setscrews carried by said arms and engaging one of eachpair of said bearing-disks at positions diametrically opposite, as setforth.

10. In combination with a gun and carriage therefor, trunnions upon saidgun, a pair of bearing-disks at each trunnion, one of each pair having athreaded shank portion engaging a threaded aperture in its adjacenttrunnion, ball-bearings intermediate said bearingdisks, yokes havingflexible arms, set-screws carried by said arms and engaging one of eachpair of said bearing-disks at positions diametrically opposite, a springheld yieldingly against one of each pair of said disks, and a set-screwsupporting each spring, as set forth.

In testimony whereof I hereunto aflix my signature in presence of twowitnesses.

JOHN J. BAYNE.

Witnesses:

A. L. HOUGH, CLARA S. DAVENPORT.

